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 * 3D Studio File Toolkit for Release 3 
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#ifndef VPRT_3DS_H
#define VPRT_3DS_H

/* Public Typedefs */
typedef enum
{
   NoView3ds,
   TopView3ds,
   BottomView3ds,
   LeftView3ds,
   RightView3ds,
   FrontView3ds,
   BackView3ds,
   UserView3ds,
   CameraView3ds,
   SpotlightView3ds
} viewtype3ds;

typedef struct
{
   ushort3ds xpos;
   ushort3ds ypos;
   ushort3ds width;
   ushort3ds height;
} viewsize3ds;

/* Used to describe top, bottom, left, right, front and back views */
typedef struct
{
   point3ds center; /* Center of orthagonal view */
   float3ds zoom; /* View zoom factor */
} orthoview3ds;

/* Used to describe user views */
typedef struct
{
   point3ds center; /* Center of user view */
   float3ds zoom; /* View zoom factor */
   float3ds horang; /* Horizontal angle of view */
   float3ds verang; /* Veritical angle of view */
} userview3ds;

/* Used to describe camera views */
typedef struct
{
   char3ds name[11]; /* Name of the camera used in the view */
} cameraview3ds;

/* Viewport structure details the kind of view in a viewport */
typedef struct
{
   viewtype3ds type; /* top, bottom, left, right, front, back, user and camera */
   viewsize3ds size; /* Size of the viewport */
   orthoview3ds ortho; /* used for top, bottom, left, right, front, and back views */
   userview3ds user; /* Used for user views */
   cameraview3ds camera; /* Used for camera views */
} viewport3ds;
/* End Public */

/* Public Prototypes */
void InitViewport3ds(viewport3ds **vp);
void ReleaseViewport3ds(viewport3ds **vp);
void GetViewport3ds(database3ds *db, viewport3ds **vp);
void PutViewport3ds(database3ds *db, viewport3ds *vp);
void CopyViewport3ds(database3ds *destdb, database3ds *srcdb);
/* End Public */

void PutViewportEntry3ds(chunk3ds *section, viewport3ds *vp);

#endif
